1/*
2 * memtoy:  segment.h - memory segments interface
3 */
4/*
5 *  Copyright (c) 2005 Hewlett-Packard, Inc
6 *  All rights reserved.
7 */
8
9/*
10 *  This program is free software; you can redistribute it and/or modify
11 *  it under the terms of the GNU General Public License as published by
12 *  the Free Software Foundation; either version 2 of the License, or
13 *  (at your option) any later version.
14 *
15 *  This program is distributed in the hope that it will be useful,
16 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
17 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
18 *  GNU General Public License for more details.
19 *
20 *  You should have received a copy of the GNU General Public License
21 *  along with this program; if not, write to the Free Software
22 *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
23 */
24
25#ifndef _MEMTOY_SEGMENT_H_
26#define _MEMTOY_SEGMENT_H_
27
28/*
29 * a "memory segment" known to memtoy
30 */
31typedef enum {
32	SEGT_NONE=0,	/* unused segment */
33	SEGT_ANON=1,	/* anonymous -- MAP_ANON */
34	SEGT_FILE=2,
35	SEGT_SHM=3,
36	SEGT_NTYPES
37} seg_type_t;
38
39struct segment;
40typedef struct segment segment_t;
41
42/*
43 * range:  optional (offset, length) arguments
44 */
45typedef struct range {
46	off_t  offset;
47	size_t length;
48} range_t;
49
50struct global_context;
51
52extern void segment_init(struct global_context *);
53extern void segment_cleanup(struct global_context *);
54
55extern int segment_register(seg_type_t, char*, range_t*,  int);
56extern int segment_show(char*);
57extern int segment_remove(char*);
58extern int segment_map(char*, range_t*, int);
59extern int segment_unmap(char*);
60extern int segment_touch(char*, range_t*, int);
61extern int segment_mbind(char*, range_t*, int, nodemask_t*, int);
62extern int segment_location(char*, range_t*);
63
64#endif
65